1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/ipq806x/patches-5.10/097-3-clk-qcom-krait-add-missing-enable-disable.patch b/target/linux/ipq806x/patches-5.10/097-3-clk-qcom-krait-add-missing-enable-disable.patch
new file mode 100644
index 0000000000..777c54c83a
--- /dev/null
+++ b/target/linux/ipq806x/patches-5.10/097-3-clk-qcom-krait-add-missing-enable-disable.patch
@@ -0,0 +1,62 @@
+From f8fdbecdaca97f0f2eebd77256e2eca4a8da6c39 Mon Sep 17 00:00:00 2001
+From: Ansuel Smith <ansuelsmth@gmail.com>
+Date: Sun, 7 Feb 2021 17:08:16 +0100
+Subject: [PATCH 3/4] clk: qcom: krait: add missing enable disable
+
+Add missing enable disable mux function. Add extra check to
+div2_round_rate.
+
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+---
+ drivers/clk/qcom/clk-krait.c | 27 +++++++++++++++++++++++++--
+ 1 file changed, 25 insertions(+), 2 deletions(-)
+
+diff --git a/drivers/clk/qcom/clk-krait.c b/drivers/clk/qcom/clk-krait.c
+index 59f1af415b58..ba796b621669 100644
+--- a/drivers/clk/qcom/clk-krait.c
++++ b/drivers/clk/qcom/clk-krait.c
+@@ -68,7 +68,25 @@ static u8 krait_mux_get_parent(struct clk_hw *hw)
+ 	return clk_mux_val_to_index(hw, mux->parent_map, 0, sel);
+ }
+ 
++static int krait_mux_enable(struct clk_hw *hw)
++{
++	struct krait_mux_clk *mux = to_krait_mux_clk(hw);
++
++	__krait_mux_set_sel(mux, mux->en_mask);
++
++	return 0;
++}
++
++static void krait_mux_disable(struct clk_hw *hw)
++{
++	struct krait_mux_clk *mux = to_krait_mux_clk(hw);
++
++	__krait_mux_set_sel(mux, mux->safe_sel);
++}
++
+ const struct clk_ops krait_mux_clk_ops = {
++	.enable = krait_mux_enable,
++	.disable = krait_mux_disable,
+ 	.set_parent = krait_mux_set_parent,
+ 	.get_parent = krait_mux_get_parent,
+ 	.determine_rate = __clk_mux_determine_rate_closest,
+@@ -79,8 +97,13 @@ EXPORT_SYMBOL_GPL(krait_mux_clk_ops);
+ static long krait_div2_round_rate(struct clk_hw *hw, unsigned long rate,
+ 				  unsigned long *parent_rate)
+ {
+-	*parent_rate = clk_hw_round_rate(clk_hw_get_parent(hw), rate * 2);
+-	return DIV_ROUND_UP(*parent_rate, 2);
++	struct clk_hw *hw_parent = clk_hw_get_parent(hw);
++
++	if (hw_parent) {
++		*parent_rate = clk_hw_round_rate(hw_parent, rate * 2);
++		return DIV_ROUND_UP(*parent_rate, 2);
++	} else
++		return -1;
+ }
+ 
+ static int krait_div2_set_rate(struct clk_hw *hw, unsigned long rate,
+-- 
+2.29.2
+